Allan F. Norro

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Skelleftehamn, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method for directly heating concentrated sulfuric acid by electric...
- Patent number 4,251,715
- Issue date Feb 17, 1981
- Boliden Aktiebolag
- Stig A. Petersson
- C01 - INORGANIC CHEMISTRY